IPF Camaro V6 vs Procharger Mustang V6 (Soon)

[MagnumForceGB]

Yes, smaller pulley sizes will increase boost in all the areas. At 7000 I'm around 14, at 6000 it's 10 roughly. Boost will build earlier the smaller the pulley, but the faster it spins there is more heat. Eventually the supercharger becomes a heat pump and so much timing is being pulled that the engine makes less power. My 3.125 pulley makes a lot of heat up top, the 3.33" was a good compromise.

I'm looking at the throttle body because I think the 72mm body flows 938 cfm, they Vortech spinning at my levels is around 1050.

[DGM]

would a change from 3.40 to 3.33 show a noticeable boost increase? are you running stock ipf air filter or larger - im curious if its a restriction with smaller pulleys

[MagnumForceGB]

Originally Posted by DGM

would a change from 3.40 to 3.33 show a noticeable boost increase? are you running stock ipf air filter or larger - im curious if its a restriction with smaller pulleys

Maybe 0.5 PSI, that is all it seems. Still running the stock IPF Air Filter, I'm looking after doing the throttle body at putting a longer air filter in but using a 3.5" pipe. The IPF Filter is in the best location, just don't know about the length of the filter.

[Jason@JacFab]

What are the dimensions on the stock filter?

[MagnumForceGB]

Originally Posted by Jason@JacFab

What are the dimensions on the stock filter?

4" flange, 6" base, 6" height, 4" top diameter.

http://www.airaid.com/search/product.aspx?prod=701-455

[Jason@JacFab]

How much room do you have to go longer? Keeping the 4" flange?


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[MagnumForceGB]

Originally Posted by Jason@JacFab

How much room do you have to go longer? Keeping the 4" flange?


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None, the top of the filter is hitting the bottom of the fascia. What I would need to do is take the 3.5" silicon elbow on the supercharger inlet and add a filter that is 3.5" flange there. But this would also require the line from the bypass valve to the supercharger inlet to be replaced with a small filter.

The intake tube is 3.5" at the supercharger elbow, then expands to 4" where the MAF sensor is and then the filter. Since I don't use the MAF there anymore I can just use a straight 3.5" tube. Probably won't be a big difference, but I've heard that Centrifugal Superchargers are greatly affected by intake restrictions.

[Jason@JacFab]

I understand what you're up to now... I've read the same... It would be a shame to put a restriction on there...

I'd love to try out a bigger version of the flat panel adapter I built for a go kart...



Go figure as soon as I get it done the people I was helping out decide to quit racing and sell all their kart crap right before we could dyno it... The one on the left has about 7x less filter surface area, but flowed 3.5% more than the filter on the right (yes, I removed the wrapper on the filter lol)

Play around with it. But yeah, the easy route would just be the 3.5" tube with a filter.


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[MagnumForceGB]

Kind of wonder if I can put that flat panel filter facing the lower front grill, get some good air flow there. The problem with the current filter is that part of it is against the wheel liner. Problem is there isn't much room in the front, or anywhere on the car. I would have to take some measurements to see how much room I have to work with.

Also the new throttle body cleared customs and will be here today. I'm way behind on getting the car back together, it has been very cold here lately. Will see if I can at least hook it up and if the computer can move the throttle blade itself.

[MagnumForceGB]

This throttle body is a lot bigger in person. Hoping this works.

[MagnumForceGB]

Code P1551 - Throttle Valve Rest Position Not Reached During Learn

I can turn that code off, without the engine running both the throttle bodies were reading the same position with the same throttle input.

Pedal - Throttle
0% - 5%
10% - 7%
20% - 10%
30% - 15%
40% - 21%
50% - 30%
60% - 40%
70% - 52%
80% - 68%
90% - 91%
100% - 99%

Will get the car back together now and start it up, see if it will at least run with the new throttle body and work from there.

[HeritageLS]

That new TB looks massive in the picture. Patiently waiting


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[MagnumForceGB]

Throttle body installed on my LFX intake manifold, has an O-Ring built into the throttle body so no silicone required. No clearance issues, only small problem is the wiring harness goes through 2 connector. If this fully works the small details can be worked out.

Right now it is too cold to start the car, under 20 degrees the supercharger clearance becomes so tight it can damage it. Tomorrow I should be able to start it and see if it works at idle.

[MagnumForceGB]

Well, started the car up with the bigger throttle body, it idled. At first it sounded like I had a huge cam in it till the idle calmed down, so my DAL's are off at start up it looks like. Couldn't do much more because I couldn't see my widebands, no power to the sensors.

Did get 2 codes:
P0122 - Throttle/Pedal Position Sensor A Circuit Low
P0223 - Throttle/Pedal Position Sensor/Switch B Circuit High

I let Will know the codes, see what he says. Might be a simple pin swap.